One Positive Use of Viruses Is Their Function as

question 4

Multiple Choice

One positive use of viruses is their function as

• A) infectious particles.
• B) pandemic initiators.
• C) cloning vectors.
• D) marine predators.

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Definitions:

Pericardium

The double-layered sac containing the heart and the roots of the great vessels, providing protection and support to the heart.

Epicardium

The outermost layer of the heart's wall, part of the heart's protective covering and involved in the production of pericardial fluid.

Myocardium

The myocardium is the muscular tissue of the heart, responsible for contracting and pumping blood throughout the body.

Endocardium

The innermost lining of the heart's chambers and valves, composed of a layer of endothelial cells that provides a smooth surface for blood flow within the heart.